Home / 187,345,204.54-281,179,231.98-129,877,832.14

Finding the Fourth Proportional to 187,345,204.54, 281,179,231.98 and 129,877,832.14

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Solution

The fourth proportional to 187,345,204.54, 281,179,231.98 and 129,877,832.14 is: 194,928,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345,204.54 : 281,179,231.98 = 129,877,832.14 : x
  2. Step 2: Convert to fraction form
    187,345,204.54/281,179,231.98 = 129,877,832.14/x
  3. Step 3: Cross multiply
    187,345,204.54x = 281,179,231.98 × 129,877,832.14
  4. Step 4: Simplify right side
    187,345,204.54x = 36,518,949,092,352,560
  5. Step 5: Solve for x
    x = 36,518,949,092,352,560/187,345,204.54
  6. Step 6: Final answer
    x = 194,928,656.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.